CVE-2023-37560 — Cross-site scripting vulnerability in WRH-300WH-H v2

Cross-site scripting vulnerability in WRH-300WH-H v2.12 and earlier, and WTC-300HWH v1.09 and earlier allows a remote unauthenticated attacker to inject an arbitrary script.

01What is this vulnerability?

Cross-site scripting vulnerability in WRH-300WH-H v2.12 and earlier, and WTC-300HWH v1.09 and earlier allows a remote unauthenticated attacker to inject an arbitrary script.

02Affected products

Vendor	Product	Versions
ELECOM CO.,LTD.	WRH	300WH-H — v2.12 and earlier
ELECOM CO.,LTD.	WTC	300HWH — v1.09 and earlier

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-07-13T01:16:30.201Z
• Last modified: 2024-11-05T15:32:43.694Z

09References

• www.elecom.co.jp — https://www.elecom.co.jp/news/security/20230711-01/
• jvn.jp — https://jvn.jp/en/jp/JVN05223215/